xref: /netbsd-src/sys/arch/evbarm/ixm1200/ixpcom_ixm.c (revision 7433666e375b3ac4cc764df5a6726be98bc1cdd5)
1 /*	$NetBSD: ixpcom_ixm.c,v 1.12 2023/12/20 13:55:18 thorpej Exp $ */
2 /*
3  * Copyright (c) 2002
4  *	Ichiro FUKUHARA <ichiro@ichiro.org>.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: ixpcom_ixm.c,v 1.12 2023/12/20 13:55:18 thorpej Exp $");
31 
32 /* Front-end of ixpcom */
33 
34 #include <sys/types.h>
35 #include <sys/device.h>
36 #include <sys/systm.h>
37 #include <sys/param.h>
38 
39 #include <sys/termios.h>
40 
41 #include <machine/intr.h>
42 #include <sys/bus.h>
43 
44 #include <arm/ixp12x0/ixp12x0_comreg.h>
45 #include <arm/ixp12x0/ixp12x0_comvar.h>
46 #include <arm/ixp12x0/ixp12x0reg.h>
47 #include <arm/ixp12x0/ixp12x0var.h>
48 #include <arm/ixp12x0/ixpsipvar.h>
49 
50 #include <evbarm/ixm1200/ixpcom_ixmvar.h>
51 
52 static int	ixpcom_ixm_match(device_t, cfdata_t, void *);
53 static void	ixpcom_ixm_attach(device_t, device_t, void *);
54 
55 CFATTACH_DECL_NEW(ixpcom_ixm, sizeof(struct ixpcom_softc),
56     ixpcom_ixm_match, ixpcom_ixm_attach, NULL, NULL);
57 
58 static int
ixpcom_ixm_match(device_t parent,cfdata_t match,void * aux)59 ixpcom_ixm_match(device_t parent, cfdata_t match, void *aux)
60 {
61 	if (strcmp(match->cf_name, "ixpcom") == 0)
62 		return 1;
63 	return 0;
64 }
65 
66 static void
ixpcom_ixm_attach(device_t parent,device_t self,void * aux)67 ixpcom_ixm_attach(device_t parent, device_t self, void *aux)
68 {
69 	struct ixpcom_ixm_softc *isc = device_private(self);
70 	struct ixpcom_softc *sc = &isc->sc_ixpcom;
71 	struct ixpsip_attach_args *sa = aux;
72 
73 	sc->sc_dev = self;
74 	isc->sc_iot = sa->sa_iot;
75 	sc->sc_iot = sa->sa_iot;
76 	sc->sc_baseaddr = sa->sa_addr;
77 
78 	if (bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0,
79 			 &sc->sc_ioh)) {
80 		aprint_error(": unable to map device\n");
81 		return;
82 	}
83 
84 	aprint_normal(": IXP12x0 UART\n");
85 
86 	ixpcom_attach_subr(sc);
87 
88 #ifdef POLLING_COM
89 	{ void* d; d = d = ixpcomintr; }
90 #else
91 	ixp12x0_intr_establish(IXP12X0_INTR_UART, IPL_SERIAL, ixpcomintr, sc);
92 #endif
93 }
94